C11112331312111112111133133313331333133313123313331322331323122311   >>    C1111233131211111211113313331333133313331312331333132233132312231   <<    C11112331312111112111133133313331333133313123313331322331323122313   >>      C11112331312111112111133133313331333133313123313331322331323122312   >>